Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 2 is a front view of a second embodiment thereof.

The dot-dash lines showing of the display screen or portion thereof form no part of the claimed design.

The remaining broken lines illustrate portions of the graphical user interface which form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 